Welcome to the official home of Open Source Nagios projects.
You’ll find details on individual Nagios projects below. All Open Source Nagios projects are now distributed as part of the Nagios Core Services Platform (CSP) download for ease of use and rapid deployment.
Download the Nagios Core Services Platform distribution to get up a running quickly with smart monitoring wizards, informative reports, and insightful dashboards – all powered by enterprise-grade Open Source technology.
Trusted by 1M+ users worldwide, Nagios provides complete monitoring of your entire IT infrastructure environment – including websites, DNS, servers, routers, switches, services, servers, workstations, and more.
The Open Source monitoring engine that started a revolution in Open Source IT management. Lightweight, with a focused scope, and multiple APIs for extending core functionality
Efficient, standalone extensions that provide low-level intelligence for monitoring anything and everything with Nagios Core.
An extreme scalability and performance addon for monitoring large IT environments with Nagios
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